A triangle has vertices x (1,1) y (4,1) and z (4,5). What is the length of side XZ?

asked Jan 13, 2020 146k views

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5 votes

length is calculated by √(x¹-x²)^2+(y¹-y²)^2

length of XZ= √(4-1)^2+(5-1)^2= √9+16 √25 = 5 or -5 (reject -5 as length>0)

Elbert answered Jan 20, 2020

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